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Reiji Watanabe
57fc267f1b
Add a helper to read a vCPU's PMCR_EL0, and use it whenever KVM reads a vCPU's PMCR_EL0. Currently, the PMCR_EL0 value is tracked per vCPU. The following patches will make (only) PMCR_EL0.N track per guest. Having the new helper will be useful to combine the PMCR_EL0.N field (tracked per guest) and the other fields (tracked per vCPU) to provide the value of PMCR_EL0. No functional change intended. Reviewed-by: Sebastian Ott <sebott@redhat.com> Signed-off-by: Reiji Watanabe <reijiw@google.com> Signed-off-by: Raghavendra Rao Ananta <rananta@google.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20231020214053.2144305-4-rananta@google.com Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.